feat(lint): Add redundant_readme lint #16552
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weihanglo merged 2 commits intorust-lang:masterfrom Jan 23, 2026
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Name and styling was inspired by [redundant_static_lifetimes](https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes) Fixes rust-lang#15869
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| r#" | ||
| ### What it does | ||
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| Checks for `package.readme` fields that can be inferred |
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Is there any canonical docs we can link to about the redundancy?
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While it would be good to have a relative link for https://doc.rust-lang.org/cargo/reference/lints.html, I'm operating under the assumption that we'll eventually render this in other places, like in cargo --explain.
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We can fix that when we implement cargo --explain. Or we should update below to follow the pattern here:
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This PR was rebased onto a different master commit. Here's a range-diff highlighting what actually changed. Rebasing is a normal part of keeping PRs up to date, so no action is needed—this note is just to help reviewers. |
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Update cargo submodule 11 commits in efcd9f58636c1990393d495159045d9c35e43b8f..0f3a1e9099aecdf95f144e842d96dc1827c1985 2026-01-23 13:50:59 +0000 to 2026-01-27 20:14:45 +0000 - feat(lints): Add redundant_homepage lint (rust-lang/cargo#16561) - feat(lints): Add `non_*_case_features` (rust-lang/cargo#16560) - Update build_std::basic test to ensure index doesn't update (rust-lang/cargo#16559) - feat(lints): Add mutually exclusive `non_{kebab,snake}_case_packages` (rust-lang/cargo#16554) - fix(lints): Pluralize non_kebab_case_bins (rust-lang/cargo#16553) - Add -Z json-target-spec (rust-lang/cargo#16557) - feat(lint): Add redundant_readme lint (rust-lang/cargo#16552) - chore(deps): update msrv (rust-lang/cargo#16387) - tests: add regression test for --artifact-dir on stable (rust-lang/cargo#16541) - Don't check the specific build-std output (rust-lang/cargo#16551) - Fix build-std lto test to run on other platforms (rust-lang/cargo#16550)
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Update cargo submodule 11 commits in efcd9f58636c1990393d495159045d9c35e43b8f..0f3a1e9099aecdf95f144e842d96dc1827c1985 2026-01-23 13:50:59 +0000 to 2026-01-27 20:14:45 +0000 - feat(lints): Add redundant_homepage lint (rust-lang/cargo#16561) - feat(lints): Add `non_*_case_features` (rust-lang/cargo#16560) - Update build_std::basic test to ensure index doesn't update (rust-lang/cargo#16559) - feat(lints): Add mutually exclusive `non_{kebab,snake}_case_packages` (rust-lang/cargo#16554) - fix(lints): Pluralize non_kebab_case_bins (rust-lang/cargo#16553) - Add -Z json-target-spec (rust-lang/cargo#16557) - feat(lint): Add redundant_readme lint (rust-lang/cargo#16552) - chore(deps): update msrv (rust-lang/cargo#16387) - tests: add regression test for --artifact-dir on stable (rust-lang/cargo#16541) - Don't check the specific build-std output (rust-lang/cargo#16551) - Fix build-std lto test to run on other platforms (rust-lang/cargo#16550)
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Update cargo submodule 18 commits in efcd9f58636c1990393d495159045d9c35e43b8f..fe2f314aef06e688a9517da1ac0577bb1854d01f 2026-01-23 13:50:59 +0000 to 2026-01-30 21:52:01 +0000 - feat(lints): Add unused workspace dependency lint (rust-lang/cargo#16571) - docs: Remove redundant homepage link (rust-lang/cargo#16572) - refactor: Remove unused workspace dependencies (rust-lang/cargo#16573) - Re-downgrade curl-sys (rust-lang/cargo#16570) - docs(report): enhance man pages for `cargo report *` (rust-lang/cargo#16430) - fix(lints): Refine redundant metadata lints (rust-lang/cargo#16564) - Prevent `cargo init` in home directory (rust-lang/cargo#16566) - feat(lints): Add redundant_homepage lint (rust-lang/cargo#16561) - feat(lints): Add `non_*_case_features` (rust-lang/cargo#16560) - Update build_std::basic test to ensure index doesn't update (rust-lang/cargo#16559) - feat(lints): Add mutually exclusive `non_{kebab,snake}_case_packages` (rust-lang/cargo#16554) - fix(lints): Pluralize non_kebab_case_bins (rust-lang/cargo#16553) - Add -Z json-target-spec (rust-lang/cargo#16557) - feat(lint): Add redundant_readme lint (rust-lang/cargo#16552) - chore(deps): update msrv (rust-lang/cargo#16387) - tests: add regression test for --artifact-dir on stable (rust-lang/cargo#16541) - Don't check the specific build-std output (rust-lang/cargo#16551) - Fix build-std lto test to run on other platforms (rust-lang/cargo#16550)
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Update cargo submodule 18 commits in efcd9f58636c1990393d495159045d9c35e43b8f..fe2f314aef06e688a9517da1ac0577bb1854d01f 2026-01-23 13:50:59 +0000 to 2026-01-30 21:52:01 +0000 - feat(lints): Add unused workspace dependency lint (rust-lang/cargo#16571) - docs: Remove redundant homepage link (rust-lang/cargo#16572) - refactor: Remove unused workspace dependencies (rust-lang/cargo#16573) - Re-downgrade curl-sys (rust-lang/cargo#16570) - docs(report): enhance man pages for `cargo report *` (rust-lang/cargo#16430) - fix(lints): Refine redundant metadata lints (rust-lang/cargo#16564) - Prevent `cargo init` in home directory (rust-lang/cargo#16566) - feat(lints): Add redundant_homepage lint (rust-lang/cargo#16561) - feat(lints): Add `non_*_case_features` (rust-lang/cargo#16560) - Update build_std::basic test to ensure index doesn't update (rust-lang/cargo#16559) - feat(lints): Add mutually exclusive `non_{kebab,snake}_case_packages` (rust-lang/cargo#16554) - fix(lints): Pluralize non_kebab_case_bins (rust-lang/cargo#16553) - Add -Z json-target-spec (rust-lang/cargo#16557) - feat(lint): Add redundant_readme lint (rust-lang/cargo#16552) - chore(deps): update msrv (rust-lang/cargo#16387) - tests: add regression test for --artifact-dir on stable (rust-lang/cargo#16541) - Don't check the specific build-std output (rust-lang/cargo#16551) - Fix build-std lto test to run on other platforms (rust-lang/cargo#16550)
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Update cargo submodule 18 commits in efcd9f58636c1990393d495159045d9c35e43b8f..fe2f314aef06e688a9517da1ac0577bb1854d01f 2026-01-23 13:50:59 +0000 to 2026-01-30 21:52:01 +0000 - feat(lints): Add unused workspace dependency lint (rust-lang/cargo#16571) - docs: Remove redundant homepage link (rust-lang/cargo#16572) - refactor: Remove unused workspace dependencies (rust-lang/cargo#16573) - Re-downgrade curl-sys (rust-lang/cargo#16570) - docs(report): enhance man pages for `cargo report *` (rust-lang/cargo#16430) - fix(lints): Refine redundant metadata lints (rust-lang/cargo#16564) - Prevent `cargo init` in home directory (rust-lang/cargo#16566) - feat(lints): Add redundant_homepage lint (rust-lang/cargo#16561) - feat(lints): Add `non_*_case_features` (rust-lang/cargo#16560) - Update build_std::basic test to ensure index doesn't update (rust-lang/cargo#16559) - feat(lints): Add mutually exclusive `non_{kebab,snake}_case_packages` (rust-lang/cargo#16554) - fix(lints): Pluralize non_kebab_case_bins (rust-lang/cargo#16553) - Add -Z json-target-spec (rust-lang/cargo#16557) - feat(lint): Add redundant_readme lint (rust-lang/cargo#16552) - chore(deps): update msrv (rust-lang/cargo#16387) - tests: add regression test for --artifact-dir on stable (rust-lang/cargo#16541) - Don't check the specific build-std output (rust-lang/cargo#16551) - Fix build-std lto test to run on other platforms (rust-lang/cargo#16550)
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What does this PR try to resolve?
Name and styling was inspired by
redundant_static_lifetimes
Fixes #15869
How to test and review this PR?